|本期目录/Table of Contents|

[1]何培玲,庞汉松,陆 韬,等.解决标准坍落度筒测定大离散性问题的方法[J].南京工程学院学报(自科版),2016,14(03):52-55.[doi:10.13960/j.issn.1672-2558.2016.03.010]
 HE Pei-ling,PANG Han-song,LU Tao,et al.A Study on Discrete Problem Measured by Standard Slump Cone[J].Journal of Nanjing Institute of Technology(Natural Science Edition),2016,14(03):52-55.[doi:10.13960/j.issn.1672-2558.2016.03.010]
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解决标准坍落度筒测定大离散性问题的方法(PDF)
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《南京工程学院学报(自科版)》[ISSN:1672-2558/CN:SN32-1671/N]

卷:
第14卷
期数:
2016年03期
页码:
52-55
栏目:
出版日期:
2016-03-04

文章信息/Info

Title:
A Study on Discrete Problem Measured by Standard Slump Cone
作者:
何培玲庞汉松陆 韬张伟伟范 杰
南京工程学院建筑工程学院, 江苏 南京 211167
Author(s):
HE Pei-ling PANG Han-song LU Tao ZHANG Wei-wei FAN Jie
School of Architecture Engineering, Nanjing Institute of Technology, Nanjing 211167, China
关键词:
坍落度筒 混凝土 摩擦力 数理统计 幂函数筒
Keywords:
slump cone concrete friction force mathematical statistics cone of power function
分类号:
TU69
DOI:
10.13960/j.issn.1672-2558.2016.03.010
文献标志码:
A
摘要:
采用坍落度筒测定坍落度数值分散,难以准确获得混凝土和易性指标,从而给施工造成困惑.分析标准坍落度筒筒壁与混凝土之间的摩擦力是造成坍落度数值分散的最主要原因,建立幂函数坍落度筒筒壁母线模型.当混凝土设计坍落度值为60 mm时,进行幂函数坍落度筒和标准坍落度筒试验,对其试验结果进行数理统计分析,验证幂函数坍落度筒的功能和特点,确定与国家标准相对应的幂函数坍落度筒与标准坍落度筒的换算公式.
Abstract:
The slump value dispersive measured by slump cone fails to accurately reflect the problems with constructions caused by concrete and easy index. This paper is aimed at analyzing the major reasons for dispersive slump values caused by frictions between standard slump wall and concrete. A model for generation line of the slump cone expressed by polynomial expression of power function is built. The experimental study is also conducted with regard to the slump cone of power function and the standard slump cone when the concrete design slump value is 60 mm. Meanwhile, mathematical statistic analysis is accomplished and functions and features of the slump cone of power function is verified, indicating that the reduction formula between the slump cone of power function and the standard slump cone can be determined corresponding to the national standard.

参考文献/References:

[1] 朱清江. 国外对混凝土坍落度试验的争议[J]. 建筑技术开发,1994(6):57.
[2] 李云秀. BTC型智能便携式混凝土坍落度仪应用试验研究[J]. 工业建筑,1991(1):31-36.
[3] 周梅,白金婷,唱志勇. 粉煤灰掺量对预拌混凝土塌落度/扩展度经时损失的影响[J]. 硅酸盐通报,2012(1):187-192.
[4] 曹明莉,张聪,韩立东. 基于两点法的掺矿粉新拌混凝土流变性能的试验研究[J]. 混凝土,2012(1):138-141.
[5] 胡小芳,苏志学. 改进式坍落度筒法测定新拌混凝土流变性能[J]. 混凝土,2006(8):64-69.

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备注/Memo

备注/Memo:
收稿日期: 2016-05-09 基金项目: 江苏省大学生创新创业训练计划项目(201511276011z) 作者简介: 何培玲,硕士,教授,研究方向为结构工程. E-mail: 575672225@qq.com
更新日期/Last Update: 2016-08-20